protected function createErrorCSS(\Exception $error)
{
$message = str_replace(["'", "\n"], ["\\'", "\\A"], $error->getfile() . ":\n\n" . $error->getMessage());
return "body { display: none !important; }\n html:after {\n background: white;\n color: black;\n content: '{$message}';\n display: block !important;\n font-family: mono;\n padding: 1em;\n white-space: pre;\n }";
}